For speed you can differentiate the equation, for acceleration you can again differentiate the equation .
at t=0 the particle is slowing down , when you get equation for velocity put t=0 then only -1 is left
Answer:
your the class suru and Sahiba and Sahiba are all guddu saifi and Mam aap Aman and Sahiba are not
'Doing work' is a way of transferring energy from one object to another, energy is transferred when a force moves through a distance.
If i explain with formula
Work done (J) = Energy transferred (J)
So more energy, more work done bc u transferred more energy to move the object and doing the work. and if you only use a little of energy, the work done also only a little.
It’s 600 x 2.5 which is 1500. So the plane flies about 1500km in 2.5 hrs.
